Memory / Storage
Memory chips and the drives, flash and storage systems built on them.
Leadership as of 2026-10-27: Weakening. Relative to SPY: 5 sessions +2.7pp, 21 sessions −14.8pp, 63 sessions +21.3pp. Participation 25%; 12 of 13 members eligible.
- 63-session excess +13.9pp (robust) still positive
- 21-session excess -14.8pp
Economic family: Computing & Data Center Infrastructure
Member companies
- NetApp, Inc. (NTAP)
- Penguin Solutions, Inc. (PENG)
- Everpure, Inc. (formerly Pure Storage, Inc.) (PSTG)
- Micron Technology, Inc. (MU)
- Quantum Corporation (QMCO)
- Sandisk Corporation (SNDK)
- Silicon Motion Technology Corpo (SIMO)
- Everspin Technologies, Inc. (MRAM)
- Seagate Technology Holdings PLC (STX)
- Western Digital Corporation (WDC)
- Rambus, Inc. (RMBS)
- SK hynix Inc. (SKHY)
- GSI Technology, Inc. (GSIT)
Related themes
- AI Infrastructure: Lagging — 21-session vs SPY −13.8pp, participation 13%
- Optical / Photonics: Lagging — 21-session vs SPY −13.8pp, participation 8%
- Data Centers / HPC: Lagging — 21-session vs SPY −27.0pp, participation 6%
- Quantum Computing: Tracked (too few stocks for a leadership state) — 21-session vs SPY −24.4pp, participation 0%
- Neo Clouds: Exposure tag